This is one of the very few times one will see me ask for a screen shot. Please show what you are seeing. There are no errors in the logs and not enough information in the post to begin to help.
Also, you should consider updating your Debian. Stretch reached end of life in July 2020, no more updates even for severe security problems.
@Fuuzz and @Riccardo1979, also please use code fences when posting logs or code.
```
code goes here
```